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| author | Avi Kivity <avi@qumranet.com> | 2008-08-17 16:03:46 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-10-15 10:15:19 +0200 |
| commit | dc7404cea34ef997dfe89ca94d16358e9d29c8d8 (patch) | |
| tree | f62ea13dc8a824f40543c4d690fbe1f3238a3084 | |
| parent | 85428ac7c39ab5fff23b5d14ccb32941e9401285 (diff) | |
| download | linux-3.10-dc7404cea34ef997dfe89ca94d16358e9d29c8d8.tar.gz linux-3.10-dc7404cea34ef997dfe89ca94d16358e9d29c8d8.tar.bz2 linux-3.10-dc7404cea34ef997dfe89ca94d16358e9d29c8d8.zip | |
KVM: Handle spurious acks for PIT interrupts
Spurious acks can be generated, for example if the PIC is being reset.
Handle those acks gracefully rather than flooding the log with warnings.
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | arch/x86/kvm/i8254.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 7d04dd3ef85..c842060c6c0 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -228,7 +228,7 @@ void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian) irq_ack_notifier); spin_lock(&ps->inject_lock); if (atomic_dec_return(&ps->pit_timer.pending) < 0) - WARN_ON(1); + atomic_inc(&ps->pit_timer.pending); ps->irq_ack = 1; spin_unlock(&ps->inject_lock); } |